单词 比蒙 例句 DEFINITIVE EXAMPLES 权威例句〔op〕Flt Lt Beamont had completed a 200 hour tour of ops in December 1941.空军上尉比蒙特在1941年12月完成了200小时的空战任务。柯林斯高阶〔op〕Flt Lt Beamont had completed a 200-hour tour of ops in December 1941....